Thermodynamic Modeling of Apparent Molal Volumes of Bivalent Metal Nitrate Salts with Pitzer Model
Year: 2025
Type: article
Abstract: The apparent molal volumes of selected bivalent metal nitrate salts, Co(NO3)2, Ni(NO3)2, and Mg(NO3)2, in water have been assessed from the available density measurements of their aqueous solutions at 25 °C over a wide molality range. The values of have been fitted to the Pitzer model using its volumetric contributions. The model parameters , , and were determined for each aqueous electrolyte, over the composition range from 0 to about 4.5 mol·kg−1·H2O. The new experimental data and parameters obtained will be useful to extend the present database of electrolyte solutions and provide a reliable model for industrial use, which could be extended to other thermodynamic properties.
Author: Mouad Arrad
Language: English
Subfield: Fluid Flow and Transfer Processes
Field: Chemical Engineering
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W7087062353
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